Plot the tension in the left ventricle, assuming that only the diameter changes during the cardiac cycle.

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Relationship between pressure, volume and ECG
Pressure (mmHg)
Volume (ml)
ECG
120
80
40
130
90
50
IVC
Aortic valve
opens
Mitral valve
closes
Systole
ejection
EDV
Ejection
Contraction
IVR
Aortic valve
closes
Diastole
filling
Mitral valve
opens
Filling
ESV
Relaxation
Filling
Aortic pressure
Left ventricular pressure
Left atrial pressure
Left ventricular
volume
Hint: utilize PV loop to guide
you in creating the cardiac cycle
diagrams.
LVP (mmHg)
LV Vol (ml)
LVP (mmHg)
100-
0
100
0
150
100
50
Aortic 2
Valve
Opening
Mitral
Valve
Closing
a b
Aortic
Valve
Closing
ESPVR
Mitral
Valve
Opening
to
0
Systole
Plot the tension in the left ventricle, assuming that only the diameter
changes during the cardiac cycle.
3
d
50
↑
ESV
с
d
C
3
Time
a
Diastole
SV
- EDV
------ESV
100
a
Aortic
Valve
Closing
Mitral
Valve
Opening
LV Vol (ml)
Aortic
Valve
Opening
Mitral
Valve
b closing
EDV
EDPVR
150
Transcribed Image Text:Relationship between pressure, volume and ECG Pressure (mmHg) Volume (ml) ECG 120 80 40 130 90 50 IVC Aortic valve opens Mitral valve closes Systole ejection EDV Ejection Contraction IVR Aortic valve closes Diastole filling Mitral valve opens Filling ESV Relaxation Filling Aortic pressure Left ventricular pressure Left atrial pressure Left ventricular volume Hint: utilize PV loop to guide you in creating the cardiac cycle diagrams. LVP (mmHg) LV Vol (ml) LVP (mmHg) 100- 0 100 0 150 100 50 Aortic 2 Valve Opening Mitral Valve Closing a b Aortic Valve Closing ESPVR Mitral Valve Opening to 0 Systole Plot the tension in the left ventricle, assuming that only the diameter changes during the cardiac cycle. 3 d 50 ↑ ESV с d C 3 Time a Diastole SV - EDV ------ESV 100 a Aortic Valve Closing Mitral Valve Opening LV Vol (ml) Aortic Valve Opening Mitral Valve b closing EDV EDPVR 150
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